Quadruple Witching Day Looms: Is the US Stock Market Heading for Record Volatility?

A recent Goldman Sachs research report indicates that the US stock market is currently at a critical juncture where risks of a market crash and a short squeeze coexist. This suggests that the volatility in global stock markets, which began after the US/Israel airstrike on Iran at the end of February ignited a new superstorm of Middle East geopolitical tensions, may intensify further. There is even a possibility that the US stock market could experience record-breaking sharp fluctuations during this week's "Quadruple Witching Day." With the Middle East conflict unresolved, oil prices remaining high, and a concentration of derivatives expiring this week, short-term volatility in global equities is highly likely to amplify. If the Middle East geopolitical situation does not see a substantial turnaround very soon, the US stock market could witness unprecedented volatility on the Quadruple Witching Day, and global market turbulence is expected to follow suit. Quadruple Witching Day occurs on the third Friday of March, June, September, and December, and is known for causing a surge in trading volume and sudden, sharp swings in asset prices. It typically involves the rolling over of extremely large positions and the closing of old ones. Trading volume in equities often spikes on these days, usually peaking in the final hour as traders make significant adjustments to their portfolios. However, since single-stock futures officially ceased trading in the US market in 2020, the term "Quadruple Witching" has become largely symbolic, with "Triple Witching"—the simultaneous expiration of stock index futures, index options, and stock options—being more reflective of actual trading conditions. The statement that "high volatility is the common enemy of all professional traders" is particularly relevant in the current environment. The present high-volatility conditions are expected to persist, at least in the short term. The real damage of such intense volatility to professional capital lies not only in the increased difficulty of predicting market direction but also in its simultaneous effect of raising hedging costs, shortening position tolerance, compressing leverage efficiency, and potentially causing correct fundamental judgments to lose out due to poor timing. In other words, traders are now contending not with a single trend but with a cacophony of noise created by oil price gaps, frequent market reversals, systematic fund rebalancing, and fears surrounding private credit and artificial intelligence. The current coexistence of "crash risk" and "short squeeze risk" places the market in a critical zone. Hedge funds and institutional investors are maintaining extreme long positions in certain individual stocks while simultaneously increasing short exposure significantly through ETFs and stock index futures, pushing short interest in the US stock market to its highest level since September 2022. This abnormal positioning structure implies that if the geopolitical situation worsens further, the market is more prone to a downward imbalance. Conversely, the sudden emergence of a major positive catalyst could easily trigger an "extreme rebound." The conflict involving Iran and the surge in oil prices are prompting institutional capital to flee US equity risk assets at a pace nearing "historical extremes," pushing the market into a highly fragile critical state. Goldman Sachs data shows that in the week of March 3 to 10, global asset managers recorded net sales of S&P 500 futures totaling $36.2 billion, the largest weekly reduction in over a decade. Concurrently, short interest in US-listed ETFs saw a historically significant increase, with overall short exposure in macro products rising to a near three-year high. These indicators strongly suggest that this is not merely ordinary defensive repositioning but a synchronized systemic de-risking operation involving futures selling and ETF shorting, reflecting heightened institutional vigilance towards geopolitical shocks, oil-driven re-inflation pressures, and stock market fragility. The market is currently at a tipping point where crash and short squeeze risks coexist. On one hand, if the Iran situation shows no significant de-escalation in the coming weeks, the extreme positioning and persistently worsening sentiment could drive stock indices considerably lower. On the other hand, since institutional net long positions have not been completely cleared and a massive amount of short interest has accumulated, any signs of easing could rapidly transform the market into a fierce short-covering rally. In essence, the most dangerous aspect of the current US stock market is not that the direction is certain, but that the direction remains uncertain while the positioning structure has become extreme. The key determinant of the subsequent trend will be whether the Middle East situation can see a substantive turnaround in the short term. The "chapter of high volatility" for global equities is not yet over. As diplomatic progress remains very limited, uncertainty surrounding the conflict's trajectory continues to heavily weigh on global financial markets. Before equities can return to a period of relative calm, the market may have to endure several more weeks of intense volatility and turbulence. Some options market traders are betting that the most difficult period of severe market turbulence will persist for another week or even a month, potentially lasting until after a formal meeting between the leaders of the world's two largest economies, before settling back into a more normalized trading pattern. Unless the Middle East situation shows clearer, verifiable signs of cooling, oil prices decline significantly, systemic selling pressure is released in phases, and macro-level risks are actively digested, global stock markets are likely to remain in a high-volatility price discovery phase in the short term, rather than experiencing a stable trending market. Veteran Wall Street traders and some institutional investors are betting that the current high volatility in global equity markets will persist, at least in the short term (over the next month). The more reasonable baseline scenario for equities is not a "one-sided crash" but rather "alternating episodes of sharp rallies and declines, constrained by high oil prices." This pattern of intense volatility could even continue until before the market's anticipated first ceasefire in the Middle East (around June 30). As military conflict between the US/Israel and Iran continues, global financial markets remain turbulent. Investors are highly uncertain about when a potential ceasefire might occur, and the "real money bets" in prediction markets have significantly pushed back the expected baseline timeline for a ceasefire—from the end of March to the end of June or even December. Continued military-grade attacks near the Strait of Hormuz—one of the world's most critical shipping corridors—are undoubtedly heightening concerns about disruptions to global trade, persistent increases in inflation and even stagflation pressures, and continued intensification of volatility in global stock markets. Betting data from the prediction platform Polymarket suggests traders largely agree that a formal ceasefire in this geopolitical conflict is more likely to occur in June or the second half of the year, rather than in the near term as some optimistic Wall Street analysts had anticipated. Current aggregated probability data on Polymarket indicates a 59% chance of a ceasefire by June 30, and a 77% chance by December 31. The probability of a ceasefire agreement being reached by the end of March is significantly lower. The market is not currently in a phase of "waiting for recovery after panic has bottomed out," but rather in a sustained selling pressure environment characterized by a prolonged geopolitical conflict, oil prices re-establishing above $100 per barrel, and the ongoing erosion of asset valuations. Rich Privorotsky, head of Goldman Sachs' trading business, believes the real issue is not whether sentiment is already pessimistic, but that fundamental conditions continue to deteriorate. A partial blockade of the Strait of Hormuz is raising energy costs, US Treasury yields are rising, equities are experiencing slow capital outflows, and emerging markets are showing weak rebounds. This implies the market currently lacks a clear exit path for stably rebuilding risk appetite. In other words, technical factors and positioning might support a very short-term bounce, but the overarching macro narrative remains bearish.